Savory Pie With Sausage

Preparation:

Preparation: Put the oil in a pan. Chop the radicchio and let it dry with the onion, add the gutted sausage crumbling it with your fingers, finally the minced walnuts. When the sausage is cooked and the cooking liquid is dry, turn off the heat. Roll out the puff pastry, fill it with the mixture and roll up the edges, covering the top a little, or cover it completely with another sheet. Brush the surface with egg or oil. Put in a hot oven, at medium temperature until the surface is golden.